If you're inquiring about the legal or technical implications of using a nulled version of Wpematico Pro or similar plugins, here are some general considerations:

: Hidden spam links often found in nulled code can get your site blacklisted by Google, destroying your search rankings. Why Use the Official WPeMatico Pro? The official WPeMatico RSS Feed Fetcher

: Use the Preview button while editing a campaign to see exactly what content will be fetched in either "Visual" or "Text" (HTML) mode before it goes live.